(19)

(11)

EP 1 165 867 A1

(12)

(43) Date of publication: 02.01.2002 Bulletin 2002/01 (21) Application number: 00903335.8 (22) Date of filing: 19.01.2000

(51) International Patent Classification (IPC)7: D01F 9/00, C08L 5/00, C12P 19/04 (86) International application number: PCT/US0001/160 (87) International publication number: WO 0043/580 (27.07.2000 Gazette 2000/30)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 25.01.1999 US 117209 P (71) Applicant: E.I. DU PONT DE NEMOURS AND COMPANY Wilmington Delaware 19898 (US)	(72) Inventor: O'BRIEN, John, P. Oxford, PA 19363 (US) (74) Representative: Jones, Alan John  CARPMAELS & RANSFORD 43 Bloomsbury Square London, WC1A 2RA London, WC1A 2RA (GB)